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Air Date: Wed, Jul 31, 2019 10:00 PM
Join experts as they uncover the truth behind the find of the century: an alleged proof copy of Galileo’s “Sidereus Nuncius” with the astronomer’s signature and seemingly original watercolor paintings that changed our understanding of the cosmos.
Air Date: Wed, Jul 24, 2019 10:00 PM
Mars was once a blue water world studded with active volcanoes. But when its magnetic field and protective atmosphere faded, it became the frozen desert planet we know today.
Air Date: Wed, Jul 10, 2019 8:00 PM
Fifty years after humans first set foot on the moon, new scientific discoveries are fueling excitement for a return to the lunar surface — this time, perhaps, to stay. Join the scientists and engineers working to make life on the moon a reality.
Air Date: Fri, May 31, 2019 10:30 PM
A preview of the upcoming series from American Experience: Chasing the Moon.   Preview      
Air Date: Tue, Jan 8, 2019 9:00 PM
The rocky planets – Mercury, Venus, Earth and Mars – were born of similar material around the same time, yet only one supports life.
Air Date: Wed, May 9, 2018 9:00 PM
Join astronomers and engineers on a hunt for life on worlds near and far. Discover the next generation of telescopes, probes and robots that are getting us one step closer to answering one of humanity’s biggest questions: Are we alone?